Donald Trump has repeatedly called into question the collective defence arrangements in NATO. He has also suggested that Asian allies go nuclear. What will be the impact of the Trump Presidency on U.S. nuclear alliances?

Contemporary Security Policy awards the Bernard Brodie Prize annually to the author(s) of an outstanding article published in the journal the previous year. The award is named after Dr. Bernard Brodie (1918-1978), author of The Absolute Weapon (1946), Strategy in the Missile Age (1958) and War…